<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        div{
/*字体颜色
1.关键字 red blue green
2.十六进制0-9 a-f
3.rgb
4.rgba
*/
/*color:green*/
          /*color: #ff555f;*/
          /*color: rgb(178, 123, 255);*/
          /* color: rgb(178, 123, 255,1);
           background-color: rgb(255,0,0);*/
           
       /* font-weight: bold;
        font-size: 28px;
        font-style: italic;*/
        font-family: "楷体";
        text-align: center;
        line-height: 500px;

        
        }
    </style>
</head>
<body>
    <div>块级元素</div>
</body>
</html>